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Series B . Models Bxx-LC
Meters for load cells
INDUSTRIAL SERIES . LARGE FORMAT METERS
Large format industrial meters for load cells. Different formats available with 60 mm and 100 mm digit
height, 4 and 6 digits, in red or green color. Sturdy metal housing, with full IP65 protection, designed for
panel, wall or hanging mount. Versatile and configurable, provides excitation voltage to power up to 8
load cells. Fast access to alarm setpoints, 'tare' and 'auto-tare' functions, stability alarms, configurable
operator menu, configurable brightness
options (relays, analog retransmission, Modbus RTU, transistor outputs, RS-485 ASCII, ...). Configuration
from frontal keypad or remote keypad.
4625r04
ELECTRONICS
PANEL METERS . SIGNAL CONVERTERS . LARGE DISPLAYS
Universal AC and DC power. Accepts up to 3 output and control
.
User's Manual
FOR
INDUSTRIAL
www.fema.es
Tel. (+34) 93.729.6004 info@fema.es
AUTOMATION
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Related Manuals for Fema Electronica B Series
Summary of Contents for Fema Electronica B Series
- Page 1 User’s Manual ELECTRONICS INDUSTRIAL AUTOMATION PANEL METERS . SIGNAL CONVERTERS . LARGE DISPLAYS Series B . Models Bxx-LC Meters for load cells INDUSTRIAL SERIES . LARGE FORMAT METERS Large format industrial meters for load cells. Different formats available with 60 mm and 100 mm digit height, 4 and 6 digits, in red or green color.
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Page 2: Series B, Models Bxx-Lc
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1. Series B, models Bxx-LC Large format industrial meters for load cells Large format meters for long distance reading, for industrial Sturdy metal housing with full IP65 protection. Internal applications. Different formats available with 4 and 6 digits, connections by plug-in screw clamp terminals, and output with 60 mm and 100 m digit height. -
Page 3: Table Of Contents
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.2 How to order Format Model Power Color Option 1 Option 2 Option 3* Others *Option 3 available (60 mm, 4 digits) (1 relay) (85-265 Vac (red led) with formats B26 and and 120-370 Vdc) (60 mm, 6 digits) (analog output) (green led) (100 mm, 4 digits) -
Page 4: Sizes And Formats
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.4 Sizes and formats 1.4.1 Format B24 Size A 340 mm Size B 135 mm Size C 3 mm Size D 55 mm Size E 25 mm Power Remote keypad Table 1 - Sizes B24 Option 2 Option 1 Signal Cut-out G 322 mm (±1) -
Page 5: Format B26
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.4.3 Format B26 Size A 436 mm Size B 135 mm Size C 3 mm Size D 55 mm Size E 25 mm Power Remote keypad Table 5 - Sizes B26 Option 3 Option 2 Option 1 Signal Cut-out G 418 mm (±1) -
Page 6: To Access The Instrument
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.5 To access the instrument To open the housing, remove the screws from the back cov- To close the instrument, place the back cover, the screws, er. With each screw there is a metal washer and a plastic the metal washer and the plastic washer. -
Page 7: Power Connections And Protective Earth
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.7 Power connections and protective earth 1. Unscrew the screws from the back cover and remove the structure with the front metallic structure through an in- ternal green-yellow cable. (dotted cable at Figure 3). back cover (see section 1.5). -
Page 8: Technical Specifications
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.9 Technical specifications Digits signal terminals plug-in screw terminals (pitch 3.81 m m) 4 or 6 (see Table 9) number of digits wires section max. 0.5 mm digit 7 segments Power view angle 120º... -
Page 9: Acquisition Modes
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.11 Technical specifications (cont.) 1.9.1 Acquisition modes The instrument works by default with a fast acquisition mode the ‘Mode’ (‘ModE’) parameter to ‘50.hZ’ value. This selec- of 16 acquisitions per second, with a noise rejection optimized tion increases the speed to 50 acquisitions per second and for 50 and 60 Hz frequencies. -
Page 10: Input Signal Connections
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.10 Input signal connections 1. Unscrew the screws from the back cover and remove the 1.10.1 Connecting the ‘sense’ back cover (see section 1.5). 2. Locate the input signal terminal (see section 1.4). The ‘sense’... -
Page 11: Tare' Functions Included
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.11 ‘Tare’ functions included 1.12 Functions included Activate the tare function to force the instrument to take the Included functions Section actual signal as a ‘0’ weight. The tare function does not mod- ify the internal calibration of the cell, and can be activated as Function tare 1.11... - Page 12 FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC...
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Page 13: Configuration
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13 Configuration 1.13.1 How to operate the menus The instrument has two menus accessible to the user : Key ‘LE’ (3) - press the ‘LE’ (3) key to activate the config- ured special functions associated to this key. Inside the menu, ‘Configuration menu’... -
Page 14: Initial Set-Up
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.2 Initial set-up Before starting to configure the instrument, identify the pa- correct the individual deviations of this particular load cell. rameters of the load cell, at the manufacturers datasheet (see For the empirical configuration you will need access to two Table 13). -
Page 15: Initial Setup Menu
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.3 Initial setup menu At the initial set up of the instrument, first configure the Press ‘SQ’ (<) for 1 second to access the ‘configuration menu’. For a description on how to operate inside the theoretical part of the load cell at the ‘Load cell parameters’... -
Page 16: Function 'Auto-Tare
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.4 Function ‘auto-tare’ 1.13.6 Function ‘stock’ The ‘auto-tare’ function automatically activates the ‘tare’ The ‘Stock units’ (‘Stck’) function is provided to count large when the weight is removed from the load cell. The ‘auto- quantities of small units, in situations such as stock invento- tare’... -
Page 17: Advanced Configuration Menu
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.7 Advanced configuration menu At the ‘Auto-tare’ (‘Aut.t’) menu configure the activation val- ue and stability values to control the automatic activation of the tare, when weight is removed from the cell. See section Advanced conf. -
Page 18: Alarms
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.8 Alarms The instrument manages 3 independent internal alarms, each Reading one controlling the activation of an optional relay, transistor or SSR control output. setpoint hysteresis Optional modules (see section 2) are installed at the free slots inside the instrument (see section 1.6). -
Page 19: Alarm Configuration
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.9 Alarm configuration Alarms 1, 2 and 3 are configured from menu ‘ALr1’, ‘ALr2’ or ‘ALr3’. See section 1.13.8 for additional information. Alarms • at the ‘Active’ (‘Act’) parameter select ‘on’ • at the ‘Type of alarm’... -
Page 20: Display Filters
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.10 Display filters The instrument provides several functions to act upon the reading in order to increase stability, reduce noise and adapt to particular needs. These functions are grouped under the Display Fixed digits Fix digits ‘Display’... -
Page 21: Rear Controls
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.11 Rear controls The instrument provides a digital ‘on/off’ input at the rear terminals, referenced as ‘EK’ (see section 1.10). Assign func- tions to this terminal and activate these functions with a short Tare Rear controls circuit between terminal ‘EK’... -
Page 22: Fast Access
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.13 Fast access The ‘fast access’ is an operator configurable menu. When value. Press key ‘LE’ (3) to leave the menu configured, the operator can access the most usual functions The ‘fast access’ menu is not affected by the password func- with a single press of the front key ‘UP’... -
Page 23: Fast Access' Configuration Menu
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.15 ‘Fast access’ configuration menu At the ‘Key UP (‘fast access’)’ (‘K.uP’) menu configure which functions and parameters will be accessible through the ‘fast Key UP access’ menu. Select ‘on’ to activate each function. See sec- Setpoint 1 (‘Fast access’) tion 1.13.13 for additional information. -
Page 24: Tools
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.17 Tools The ‘Tools’ (‘tooL’) menu groups functions with a variety of uses. at the ‘Password’ (‘PASS’) function define a numerical Tools Password • code to block access to the ‘configuration menu’. Activate the password to prevent access to the instrument configura- tion by non authorized personnel. -
Page 25: Access To The Options Configuration Menu
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.13.18 Access to the options configuration menu The output and control options are optional modules that can be installed at the instrument. Formats B24 and B44 Access to the optional module installed at slot 1 have 2 free slots for output and control options, while for- mats B26 and B46 have 3 free slots (see section 1.4). -
Page 26: Full Configuration Menu
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.14 Full configuration menu Press ‘SQ’ (<) for 1 second to access the ‘configu- ration menu’. Standard Mode 50 Hz Load cell Initial conf. 60 Hz Deci mal point parameters Nominal weight Sensitivity Alarms mV/V... - Page 27 FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC Display Fixed digits Fix digits Key LE Tare Alarm unlock Average filter 0 to 100 Stock units Steps Left zeros Key UP Setpoint 1 (fast access) Memory of Setpoint 2 maximum Setpoint 3 Memory of minimum Stock units Gross weight...
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Page 28: Factory Configuration
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.15 Factory configuration Initial configuration (‘InIt’) Load cell parameters (‘cELL’) Decimal point (‘dP’) without (XXXXXX) On power-up Delay Seconds Sensitivity mV/C (‘MV.V’) 2.0000 Nominal weight(‘LoAd’) 200000 Excitation voltage (‘V.Exc’) 10 Vdc (‘10’) Tare Advanced configuration (‘AdVc’) Auto-tare (‘Aut.t’) Activation value(‘SEt’) -
Page 29: Messages And Errors
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.16 Messages and errors 1.18 Additional information Error messages related to the local instrument are shown User’s manual on display, in flash mode. Examples given are for instrument • www.fema.es/docs/4625_Bxx-LC_manual_en.pdf with 6 digit formats. Datasheets •... -
Page 30: Practical Cases
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.19 Practical cases 1.19.1 Normal case 1.19.3 Connections with a junction box Case for 1 load cell, powered from the instrument, with A ‘junction box’ for load cells has internal electron- power 10 Vdc, nominal weight 100 Kg and 2 mV/V sensibility. ics that can modify the ‘signal / weight’... -
Page 31: Connections With 3 Or 4 Load Cells
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.19 Practical cases (cont.) 1.19.5 Measuring mV at the laboratory 1.19.4 Connections with 3 or 4 load cells Using 3 load cells is the optimal way to distribute the weight If you wish to configure the instrument to measure a mil- on a plane, although it is common to work with 4 load cells, livolt generated signal at the laboratory, there is a special in applications with tanks, hoppers and similar. -
Page 32: Mounting
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.20 Mounting The instrument fixations are designed to allow panel mount, see the position of the fixations at the images below. wall mount, or hanging mount. For each type of mounting, • Panel mount. Apply the cut-out to the panel as seen on •... -
Page 33: Installation Precautions
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 1.23 CE declaration of conformity 1.21 Installation precautions Manufacturer FEMA ELECTRÓNICA, S.A. Risk of electrical shock. Instrument terminals can be Altimira 14 - Pol. Ind. Santiga connected to dangerous voltage. E08210 - Barberà del Vallès BARCELONA - SPAIN Instrument conforms to CE rules and regulations. -
Page 34: Output And Control Modules
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 2. Output and control modules 2.1 Module R1 2.2 Module T1 The R1 module provides 1 relay output to install in large for- The T1 module provides 1 transistor output to install in large mat industrial meters from Series B. -
Page 35: Module Ssr
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 2.3 Module SSR 2.4 Module AO The SSR module provides 1 output for SSR relay control, to The AO module provides 1 analog output, configurable for install in large format industrial meters from Series B. Formats 4/20 mA or 0/10 Vdc signal, to install in large format indus- B26 and B46 accept up to 3 SSR control outputs, and formats trial meters from Series B. -
Page 36: Module Rtu
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 2.5 Module RTU 2.6 Module S4 The RTU module provides an isolated Modbus RTU com- The S4 module provides an isolated RS-485 ASCII communi- munications port, to install in large format industrial meters cations port, to install in large format industrial meters from from Series B. -
Page 37: Module S2
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 2.7 Module S2 The S2 module provides an isolated RS-232 ASCII communi- cations port, to install in large format industrial meters from Series B. The S2 module implements a MASTER / SLAVE protocol, with up to 31 addressable slaves, with ‘daisy-chain’... -
Page 38: Other Options And Accessories
FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC 3. Other options and accessories 3.1 RKB - Remote keypad 3.2 Output cable Remote keypad for large format 2 meters of cable output (power, industrial meters from Series B. remote keypad, signal, ...). Replicates a remote version of the front keypad, close to the operator. - Page 39 FEMA ELECTRÓNICA . SERIES B . Models Bxx-LC...
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